<html>
<body>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<div id="app-6">
    <p>{{ message }}</p>
    <input v-model="message">
</div>


<script>
  var app6 = new Vue({
    el: '#app-6',
    data: {
      message: 'Hello Vue!'
    }
  })
</script>
</body>
</html>